CONTROLLING HARMONIC INSTABILITY OF HVDC LINKS CONNECTED TO WEAK AC SYSTEMS

被引：18

作者：

BODGER, PS ^{[1
]}

IRWIN, GD ^{[1
]}

WOODFORD, DA ^{[1
]}

机构：

[1] MANITOBA HVDC RES CTR, WINNIPEG, MANITOBA, CANADA

来源：

IEEE TRANSACTIONS ON POWER DELIVERY | 1990年 / 5卷 / 04期

关键词：

dc transmission; harmonic instability; ratio; short circuit; weak ac system;

D O I：

10.1109/61.103699

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

Time domain digital simulation of HVdc transmission enables harmonic stability of a system to be studied. Two alternative measures of controlling harmonic instability were investigated; the use of C-type ac filters and a simple addition of a harmonic damping circuit in the rectifier converter control. The design of a C-type filter is described and its effectiveness presented. Harmonic damping by controls consists of taking the output from a fast response dc current transducer, passing it through a filter and a gain and adding the output to the firing angle order. Both methods result in stable recovery from faults at both rectifier and inverter terminal busbars for a dc system inherently harmonically unstable. © 1990 IEEE

引用

页码：2039 / 2046

页数：8

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